When dementia patients commit crimes: Can Canada's justice system handle the 'grey wave'?

By all accounts, Peter Lee lived quietly and productively for most of his life.
The son of a Shanghai doctor, Lee studied economics and politics in China and worked in a bank. He came to Canada in 1966, eventually settling with his family in Ottawa, where he first ran a small store, then worked as an accountant.
But in his final years, Lee’s orderly life veered into chaos as dementia, Parkinson’s and paranoid psychosis took hold.
As a result, he lived the last years before his death,